clk: samsung: exynos4: export sclk_hdmiphy clock

Export sclk_hdmiphy clock to be usable from DT.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>

diff --cc drivers/clk/samsung/clk-exynos4.c
Simple merge

diff --cc include/dt-bindings/clock/exynos4.h
Simple merge